Podcast
Questions and Answers
What is the process called when magma cools and crystallizes to form igneous rocks?
What is the process called when magma cools and crystallizes to form igneous rocks?
- Solidification
- Crystallization (correct)
- Petrification
- Mineralization
What determines the type of crystals formed in igneous rocks?
What determines the type of crystals formed in igneous rocks?
- The color of the magma
- Atoms and molecules contained in the magma (correct)
- The location of the magma
- The rate of cooling
Where can igneous rocks be formed?
Where can igneous rocks be formed?
- Above or below Earth's surface (correct)
- Only above Earth's surface
- In the Earth's mantle
- Only below Earth's surface
What is the meaning of the word 'igneous'?
What is the meaning of the word 'igneous'?
What are the two types of igneous rocks mentioned in the text?
What are the two types of igneous rocks mentioned in the text?
What is magma?
What is magma?
What are igneous rocks formed from?
What are igneous rocks formed from?
What type of rock is granite?
What type of rock is granite?
What type of texture does obsidian have?
What type of texture does obsidian have?
What type of texture is characterized by two distinct sizes of minerals?
What type of texture is characterized by two distinct sizes of minerals?
Which rock contains a large amount of feldspar and quartz?
Which rock contains a large amount of feldspar and quartz?
What is the silica content in mafic rocks?
What is the silica content in mafic rocks?
What type of rock is peridotite?
What type of rock is peridotite?
What causes the bubbly texture in rocks like pumice?
What causes the bubbly texture in rocks like pumice?
What type of cooling process results in aphanitic texture?
What type of cooling process results in aphanitic texture?
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